Time synchronization problem no server suitable for synchronization found

No server suitable for synchronization found for ntp time synchronization. Searching on the Internet is messy. Copying someone else's copy must at least be verified by yourself. It is very simple
/usr/sbin/ntpdate stdtime.gov.hk. After the synchronization is successful, if you find it The time difference is a few hours, just modify the local time zone, cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime